hibernaculum

From Latin hībernāculum (“winter quarters”).

• (Received Pronunciation) IPA^(key): /haɪ.bəˈnak.juː.ləm/
• (General American) IPA^(key): /ˌhaɪ.bəɹˈnæk.jə.ləm/
• Hyphenation: hi‧ber‧nac‧u‧lum

hibernaculum (plural hibernacula)

1. (zoology) The place where a hibernating animal shelters for the winter.
   • 2014, Elizabeth Kolbert, chapter 10, in The Sixth Extinction: An Unnatural History, Henry Holt and Company:

     Aeolus Cave, which is set into a wooded hillside in Dorset, Vermont, is believed to be the largest bat hibernaculum in New England; it is estimated that before white-nose hit, nearly three hundred thousand bats—some from as far away as Ontario and Rhode Island—came there to spend the winter.

   • 2024 August 19, “LAKETOWN 115-kV TRANSMISSION LINE PROJECT IN CARVER COUNTY, MN”, in Great River Energy‎, page 98:

     In winter, NLEBs use caves and mines as hibernacula.⁹⁴ Suitable habitat for the NLEB is present within the Proposed Route.

2. (botany) A bud, case, or protective covering that a plant uses to survive the challenging environmental conditions during a dormancy period.

• hibernacle

• turion

From hībernō (“spend the winter”) +‎ -culum.

• (Classical Latin) IPA^(key):
• (modern Italianate Ecclesiastical) IPA^(key):

hībernāculum n (genitive hībernāculī); second declension

1. winter quarters; a winter residence
2. (in the plural) winter encampment

Second-declension noun (neuter).

• hībernālis
• hībernō
• hībernum
• hībernus

• “hibernaculum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• hibernaculum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.